| A | B |
|---|
| alimentary canal | gastrointestinal tract |
| mechanical digestion | breaking food into smaller pieces |
| chemical digestion | breaking down compounds |
| mouth | oral cavity |
| roof of the mouth | palate |
| muscle in the mouth | tongue |
| esophagus | food tube |
| food moves in esophagus by | peristalis |
| bolus | semi-digested food |
| controls food going into stomach | sphincter |
| can hold 1.5 liters of food | stomach |
| enzymes, acids, mucus | gastric juices |
| spit | saliva |
| breaks down proteins and fats | pepsin |
| 1st part of small intestine | duodenum |
| 2nd part of small intestine | jejunum |
| 3rd part of small intestine | ileum |
| wide tube, 1.5 m long | large intestine |
| made by the liver, stored in gall bladder | bile |
| used for tearing and grinding food | teeth |
